How To Install crossroads on Ubuntu 18.04

In this tutorial we learn how to install crossroads on Ubuntu 18.04. crossroads is open source load balance and fail over utility for TCP based services

Introduction

In this tutorial we learn how to install crossroads on Ubuntu 18.04.

What is crossroads

crossroads is:

Crossroads is a daemon running in user space, and features extensive configurability, polling of back ends using ‘wakeup calls’, detailed status reporting, ‘hooks’ for special actions when backend calls fail, and much more.

Crossroads is service-independent: it is usable for HTTP(S), SSH, SMTP, DNS, etc. In the case of HTTP balancing, Crossroads can provide ‘session stickiness’ for back end processes that need sessions, but aren’t session-aware of other back ends.

There are three methods to install crossroads on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install crossroads Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install crossroads using apt-get by running the following command:

sudo apt-get -y install crossroads

Install crossroads Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install crossroads using apt by running the following command:

sudo apt -y install crossroads

Install crossroads Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install crossroads using aptitude by running the following command:

sudo aptitude -y install crossroads

How To Uninstall crossroads on Ubuntu 18.04

To uninstall only the crossroads package we can use the following command:

sudo apt-get remove crossroads

Uninstall crossroads And Its Dependencies

To uninstall crossroads and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove crossroads

Remove crossroads Configurations and Data

To remove crossroads configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge crossroads

Remove crossroads configuration, data, and all of its dependencies

We can use the following command to remove crossroads configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge crossroads

References

Summary

In this tutorial we learn how to install crossroads package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.